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comparison tools/lib64fmts.c @ 2299:ad019d930401

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Add initial (broken) read support for Flinterlazer 1.0 images.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 04 Jul 2019 11:09:51 +0300
parents 7f6ba3b32f54
children a494e4a4b6bc
comparison
equal deleted inserted replaced
2298:b5abfff07ca9 2299:ad019d930401
930 res = dmC64DecodeGenericBMP(img, &dst, fmt); 930 res = dmC64DecodeGenericBMP(img, &dst, fmt);
931 931
932 out: 932 out:
933 dmGrowBufFree(&dst); 933 dmGrowBufFree(&dst);
934 return res; 934 return res;
935 }
936
937
938 static int fmtGetPixelFlinterlazer(Uint8 *col,
939 const DMC64Image *img, const int rasterX, const int rasterY)
940 {
941 DM_C64_GENERIC_MC_PIXEL_DEFS(img)
942 const int vbank = rasterY & 7;
943 int res;
944 Uint8 color1, color2;
945 Uint8 bgcol = img->bgcolor;
946 if ((res = dmC64GetGenericMCPixel(&color1, img, bmoffs, scroffs, vshift, vbank , 0, 0, bgcol)) != DMERR_OK)
947 return res;
948 *col = color1 * 17;
949 return DMERR_OK;
950 }
951
952
953 enum
954 {
955 I_BRK = 0x00,
956 I_RTS = 0x60,
957 I_LDA_IMD = 0xa9,
958 I_STA_ABS = 0x8d,
959 };
960
961
962 static int fmtDecode6502SpeedCode(const DMGrowBuf *buf, DMC64Image *img, const int cbank)
963 {
964 size_t reg_pc = 0;
965 Uint8 reg_accu = 0;//, reg_x = 0, reg_y = 0;
966 Uint16 reg_ptr;
967
968 while (reg_pc < buf->size)
969 {
970 Uint8 instr = buf->data[reg_pc++];
971
972 switch (instr)
973 {
974 case I_LDA_IMD:
975 if (reg_pc >= buf->size)
976 goto out;
977
978 reg_accu = buf->data[reg_pc++];
979 break;
980
981 case I_STA_ABS:
982 if (reg_pc >= buf->size)
983 goto out;
984 reg_ptr = buf->data[reg_pc++];
985
986 if (reg_pc >= buf->size)
987 goto out;
988 reg_ptr |= buf->data[reg_pc++] << 8;
989
990 if (reg_ptr >= 0xd800 && reg_ptr <= 0xdbff)
991 {
992 img->color[cbank].data[reg_ptr - 0xd800] = reg_accu;
993 }
994 break;
995
996 case I_RTS:
997 return DMERR_OK;
998
999 default:
1000 return DMERR_INVALID_DATA;
1001 }
1002 }
1003
1004 out:
1005 return DMERR_INVALID_DATA;
1006 }
1007
1008
1009 static int fmtDecodeFlinterlazer(const DMC64EncDecOp *op, DMC64Image *img,
1010 const DMGrowBuf *buf, const DMC64ImageCommonFormat *fmt)
1011 {
1012 DMGrowBuf tmp;
1013 (void) op;
1014 (void) fmt;
1015
1016 // Flinterlazer stores color RAMs as speedcode, so we need to
1017 // decode some 6510 instructions to get the data.
1018 return fmtDecode6502SpeedCode(
1019 dmGrowBufConstCopyOffsSize(&tmp, buf, 0, 0x17b2), img, 0);
935 } 1020 }
936 1021
937 1022
938 #define XX2_MIN_SIZE 4000 1023 #define XX2_MIN_SIZE 4000
939 #define XX2_WIDTH_CH 40 1024 #define XX2_WIDTH_CH 40
2359 { 2444 {
2360 "fd2", "FLI Designer 2 (unpacked)", 0x3ff0, 17409, DM_FMT_RDWR, 2445 "fd2", "FLI Designer 2 (unpacked)", 0x3ff0, 17409, DM_FMT_RDWR,
2361 NULL, 2446 NULL,
2362 NULL, NULL, 2447 NULL, NULL,
2363 { }, &dmC64CommonFormats[9] 2448 { }, &dmC64CommonFormats[9]
2449 },
2450
2451 {
2452 "flnt", "Flinterlazer 1.0 (unpacked)", 0x284e, 38812, DM_FMT_RD | DM_FMT_BROKEN,
2453 NULL,
2454 NULL, NULL,
2455 {
2456 D64_FMT_MC | D64_FMT_FLI | D64_FMT_ILACE,
2457 D64_SCR_WIDTH / 2, D64_SCR_HEIGHT,
2458 D64_SCR_CH_WIDTH , D64_SCR_CH_HEIGHT,
2459 2, 1,
2460 NULL, NULL,
2461 fmtGetPixelFlinterlazer,
2462 {
2463 { DO_COPY , DS_COLOR_RAM , 0x0000 , 0, 0 , 0, NULL, NULL, DF_NORMAL },
2464 { DO_COPY , DS_COLOR_RAM , 0x0000 , 1, 0 , 0, NULL, NULL, DF_NORMAL },
2465
2466 { DO_COPY , DS_BITMAP_RAM , 0x4000 - 0x284e, 0, 0 , 0, NULL, NULL, DF_NORMAL },
2467 DEF_REPEAT_BLOCK_8(DS_SCREEN_RAM , 0x6000 - 0x284e, 0, 0x400, 0, DF_NORMAL),
2468
2469 { DO_COPY , DS_BITMAP_RAM , 0x8000 - 0x284e, 1, 0 , 0, NULL, NULL, DF_NORMAL },
2470 DEF_REPEAT_BLOCK_8(DS_SCREEN_RAM , 0xA000 - 0x284e, 1, 0x400, 0, DF_NORMAL),
2471
2472 { DO_SET_OP , DS_EXTRA_INFO , D64_ILACE_COLOR, 0 , 0 , D64_EI_ILACE_TYPE, NULL, NULL, DF_DECODE },
2473 { DO_SET_OP , DS_EXTRA_INFO , D64_FLI_8 , 0, 0 , D64_EI_FLI_TYPE, NULL, NULL, DF_DECODE },
2474 { DO_FUNC , 0 , 0 , 0, 0, 0, fmtDecodeFlinterlazer, NULL, DF_NORMAL },
2475 { DO_LAST , 0 , 0 , 0, 0 , 0, NULL, NULL, DF_NORMAL },
2476 }
2477 },
2478 NULL
2364 }, 2479 },
2365 2480
2366 { 2481 {
2367 "eci", "ECI Graphic Editor 1.0 (unpacked)", 0x4000, 32770, DM_FMT_RDWR, 2482 "eci", "ECI Graphic Editor 1.0 (unpacked)", 0x4000, 32770, DM_FMT_RDWR,
2368 NULL, 2483 NULL,